31028265

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3331}}^1$

素因数の和:3371

約数の個数: 40

約数和(自身を含む): 58056768

約数和(自身を除く): 27028503

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 3331, 9315, 9993, 16655, 29979, 49965, 76613, 89937, 149895, 229839, 269811, 383065, 449685, 689517, 1149195, 1349055, 2068551, 3447585, 6205653, 10342755, 31028265]

約数ペア:

[(1, 31028265), (3, 10342755), (5, 6205653), (9, 3447585), (15, 2068551), (23, 1349055), (27, 1149195), (45, 689517), (69, 449685), (81, 383065), (115, 269811), (135, 229839), (207, 149895), (345, 89937), (405, 76613), (621, 49965), (1035, 29979), (1863, 16655), (3105, 9993), (3331, 9315)]